Daikin R48NUY2S - Page 131

Si20-701_B Troubleshooting by Remote Controller
124
Troubleshooting
NO
YES
Is the type
of fan PCB correct?
Replace it with
correct fan PCB.
NO
Was
indoor unit
PCB (A1P) replaced
with a spare
PCB?
Was
correct
capacity setting
adaptor installed when
replacing it with a
spare PCB?
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
YES
YES
NO
Install correct
capacity setting
adaptor.
After establishing
transmission for
indoor and
outdoor,
diagnose the
operation again.